- Companies
- Specialist contractors
- Harrow
- JMS Maintenance Limited
JMS Maintenance Limited
- Company number
- 07400334
- Incorporated
- 7 Oct 201016 years trading
- Registered office
- C/O Delta House Limited, Phoenix Business Centre, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
- Nature of business
- Other specialised construction activities n.e.c.
JMS Maintenance Limited is a 16-year-old private limited company registered in Harrow, company number 07400334, one of 273 specialist construction companies in Harrow. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 30 October 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £2,344 on the year before, to £2,417.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £10K against £3,108 owed within a year: 3.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Oct 2024 | £2,417 | £10K | £3,108 | 1 | |
| 31 Oct 2023 | £73 | £1,813 | £2,126 | 1 | |
| 31 Oct 2022 | £612 | £1,604 | £1,474 | 1 | |
| 31 Oct 2021 | £1,016 | £1,997 | £1,583 | 1 | |
| 31 Oct 2020 | £37 | £1,445 | £2,161 | 1 | |
| 31 Oct 2019 | £891 | £3,282 | £3,332 | 1 | |
| 31 Oct 2018 | £620 | £891 | £1,447 | ||
| 31 Oct 2017 | £629 | £255 | £1,096 | ||
| 31 Oct 2016 | £587 | £705 | £705 | £1,956 | |
| 31 Oct 2015 | £3,089 | £4,406 | £4,406 | £3,614 |
Where JMS Maintenance Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2SP on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Shared registered office
71 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if JMS Maintenance Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 07400334
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 October 2010 (16 years ago)
- Registered office
- C/O Delta House Limited, Phoenix Business Centre, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 October 2024
- Last confirmation statement
- 7 October 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Harrow
Other active specialist construction companies registered in Harrow.
- John Cooper Projects Limited2009
- Jongeconstructions Ltd2021
- JTSS Ltd2019
- Kalift Ltd2018
- Kasman Glass Ltd2024
- KDPK Limited2025
- Keveli Ltd2026
- KGMG Services Limited2017
All specialist construction companies in Harrow · All trades in Harrow · Specialist contractors across the UK
Frequently asked questions
When are JMS Maintenance Limited's accounts due?
JMS Maintenance Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is JMS Maintenance Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 October 2025, due by 30 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JMS Maintenance Limited still trading?
JMS Maintenance Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does JMS Maintenance Limited do?
JMS Maintenance Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is JMS Maintenance Limited?
JMS Maintenance Limited was incorporated on 7 October 2010, 16 years ago.
What is the penalty if JMS Maintenance Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View JMS Maintenance Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.